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11. 发明授权

US08772535B2 Process for preparing isocyanates 失效
标题翻译：异氰酸酯的制备方法
公开(公告)号：US08772535B2
公开(公告)日：2014-07-08
申请号：US13442401
申请日：2012-04-09
申请人： Ralf Boehling , Sven Kueber , Stefan Maixner , Eckhard Stroefer , Jochem Henkelmann , Georg Krug , Werner Bolz
发明人： Ralf Boehling , Sven Kueber , Stefan Maixner , Eckhard Stroefer , Jochem Henkelmann , Georg Krug , Werner Bolz
IPC分类号： C07C263/00
CPC分类号： C07C263/10 , B01J2219/00038 , B01J2219/00869 , C07C2601/14 , C07C265/14
摘要： Process for preparing isocyanates by phosgenation of amines, wherein phosgene and amine are brought into contact in at least 2 mixing chambers connected in parallel.
摘要翻译：通过胺的光气化制备异氰酸酯的方法，其中光气和胺在至少两个并联连接的混合室中接触。

12. 发明申请

US20090112017A1 METHOD FOR PRODUCING POLYISOCYANATES 有权
标题翻译：生产聚异氰酸酯的方法
公开(公告)号：US20090112017A1
公开(公告)日：2009-04-30
申请号：US11718518
申请日：2005-10-27
申请人： Martin Sesing , Thorsten Rohde , Eckhard Stroefer , Jochem Henkelmann
发明人： Martin Sesing , Thorsten Rohde , Eckhard Stroefer , Jochem Henkelmann
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , Y02P20/542 , C07C265/14
摘要： The invention relates to a process for preparing polyisocyanates by reacting primary amines with phosgene in the presence of a solvent, wherein ionic liquids are used as solvents.
摘要翻译：本发明涉及通过在溶剂存在下使伯胺与光气反应来制备多异氰酸酯的方法，其中使用离子液体作为溶剂。

13. 发明授权

US08680333B2 Process for the preparation of aromatic formamides 失效
标题翻译：制备芳族甲酰胺的方法
公开(公告)号：US08680333B2
公开(公告)日：2014-03-25
申请号：US13513752
申请日：2010-12-01
申请人： Axel Franzke , Torsten Mattke , Julia Leschinski , Radwan Abdallah , Michael Bock , Robert Baumann , Eckhard Stroefer
发明人： Axel Franzke , Torsten Mattke , Julia Leschinski , Radwan Abdallah , Michael Bock , Robert Baumann , Eckhard Stroefer
IPC分类号： C07C231/02 , C07C233/03
CPC分类号： C07C231/02 , C07C233/03 , C07C233/43
摘要： The invention relates to a process for the preparation of formamides by reacting aromatic amines with a formic acid ester in the presence of a catalyst, wherein the catalyst is a phosphorus-containing acid or a Lewis-acidic metal salt.
摘要翻译：本发明涉及一种在催化剂存在下使芳族胺与甲酸酯反应制备甲酰胺的方法，其中催化剂是含磷酸或路易斯酸性金属盐。

14. 发明授权

US08592637B2 Process for preparing mononitrated organic compounds 有权
标题翻译：制备单硝基有机化合物的方法
公开(公告)号：US08592637B2
公开(公告)日：2013-11-26
申请号：US13393251
申请日：2010-08-20
申请人： Leo Denissen , Eckhard Stroefer , Jan-Dirk Arndt , Torsten Mattke , Kerstin Heinen , Julia Leschinski
发明人： Leo Denissen , Eckhard Stroefer , Jan-Dirk Arndt , Torsten Mattke , Kerstin Heinen , Julia Leschinski
IPC分类号： C07C205/00
CPC分类号： C07C201/08 , C07C2603/24 , C07C205/06 , C07C205/12 , C07C205/47
摘要： The present invention relates to a process for continuously preparing a mononitrated organic compound, especially a process for preparing mononitrobenzene. The invention relates more particularly to an improved continuous adiabatic process for preparing nitrobenzene.
摘要翻译：本发明涉及连续制备单硝基有机化合物的方法，特别是一种制备单硝基苯的方法。本发明更具体地涉及用于制备硝基苯的改进的连续绝热方法。

15. 发明申请

US20130109883A1 PROCESS FOR PREPARING ISOCYANATES AND/OR POLYISOCYANATES 有权
标题翻译：制备异氰酸酯和/或多烯酸酯的方法
公开(公告)号：US20130109883A1
公开(公告)日：2013-05-02
申请号：US13661652
申请日：2012-10-26
申请人： Julia Leschinski , Torsten Mattke , Gerrit Waters , Eckhard Stroefer
发明人： Julia Leschinski , Torsten Mattke , Gerrit Waters , Eckhard Stroefer
IPC分类号： C07C263/10
CPC分类号： C07C263/10 , C07C265/14
摘要： The invention relates to a process for preparing isocyanates and/or polyisocyanates by reacting the corresponding amines with phosgene, optionally in the presence of an inert medium, in a reactor (1), a first reactant stream comprising the amine being supplied to the reactor (1) in liquid form, and a second reactant stream comprising the phosgene being supplied to the reactor in gaseous form. The reactor is a centrifugal reactor (1) having a packing (9) which rotates about a central axis (7) in a housing (13), the first reactant stream and the second reactant stream being supplied to the rotating packing (9) such that the reactant streams are mixed due to the centrifugal force in the rotating packing (9) and are transported outward, the mixing in the rotating packing (9) resulting in reaction of the phosgene with the amine to give the corresponding isocyanate or polyisocyanate.
摘要翻译：本发明涉及一种制备异氰酸酯和/或多异氰酸酯的方法，该方法通过使反应器（1）中任选在存在惰性介质的情况下使相应的胺与光气反应，将包含胺的第一反应物流供应至反应器 1），并且包含以气体形式供应到反应器的光气的第二反应物流。反应器是具有在壳体（13）中围绕中心轴线（7）旋转的填料（9）的离心反应器（1），第一反应物流和第二反应物流被供应到旋转填料（9）由于旋转填料（9）中的离心力将反应物流混合并向外输送，在旋转填料（9）中的混合导致光气与胺的反应，得到相应的异氰酸酯或多异氰酸酯。

16. 发明授权

US08829232B2 Process for preparing aromatic isocyanates 有权
标题翻译：制备芳族异氰酸酯的方法
公开(公告)号：US08829232B2
公开(公告)日：2014-09-09
申请号：US13057869
申请日：2009-08-06
申请人： Ulrich Penzel , Torsten Mattke , Andreas Wölfert , Johannes Jacobs , Tsung-Chieh Cheng , Kerstin Heinen , Eckhard Stroefer , Stefan Maixner , Wolfgang Mackenroth , Christian Tragut , Kai Thiele , Myung Un Won
发明人： Ulrich Penzel , Torsten Mattke , Andreas Wölfert , Johannes Jacobs , Tsung-Chieh Cheng , Kerstin Heinen , Eckhard Stroefer , Stefan Maixner , Wolfgang Mackenroth , Christian Tragut , Kai Thiele , Myung Un Won
IPC分类号： C07C263/00 , C07C263/10
CPC分类号： C07C263/10 , C07C265/14
摘要： The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene in the liquid phase, if appropriate in the presence of at least one inert medium, in which the amine and the phosgene are first mixed in a mixing chamber (1) to give a reaction mixture and the reaction mixture is fed to a reactor, the amine being added through an orifice (3) arranged coaxially to the mixing chamber (1) and the phosgene being added through feed orifices (5) in at least two planes (7, 9) arranged at right angles to the axis (11) of the mixing chamber (1), or the phosgene being added through the orifice (3) arranged coaxially to the mixing chamber and the amine through the feed orifices (5) in at least two planes (7, 9) arranged at right angles to the axis (11) of the mixing chamber (1). At least one plane (9) is arranged upstream and at least one plane (7) downstream of the orifice (3) arranged coaxially to the mixing chamber (1) in main flow direction of the reaction mixture. The mean residence time of the reaction mixture in the mixing chamber (1) is not more than 20 ms.
摘要翻译：本发明涉及通过使相应的胺与液相中的光气反应制备异氰酸酯的方法，如果合适的话，在至少一种惰性介质存在下，其中胺和光气首先在混合室（1）中混合，得到反应混合物并将反应混合物加入到反应器中，通过与混合室（1）同轴设置的孔口（3）加入胺，通过进料孔（5）在至少两个平面中加入光气（7,9），其与所述混合室（1）的轴线（11）成直角排列，或者通过所述孔（3）加入的光气通过所述孔（3）同轴地配置到所述混合室，所述胺通过所述进料孔（5）在与所述混合室（1）的轴线（11）成直角布置的至少两个平面（7,9）中。至少一个平面（9）布置在上游，并且孔（3）下游的至少一个平面（7）在反应混合物的主流动方向上与混合室（1）同轴布置。反应混合物在混合室（1）中的平均停留时间不超过20ms。

17. 发明授权

US08759569B2 Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation 有权
标题翻译：制备异氰酸酯，优选二异氰酸酯和多异氰酸酯与溶剂再循环的方法
公开(公告)号：US08759569B2
公开(公告)日：2014-06-24
申请号：US13380680
申请日：2010-06-16
申请人： Heiner Schelling , Ulrich Penzel , Eckhard Stroefer , Matthias Eiermann , Jon S. Speier , Kai Thiele , Michael Bock
发明人： Heiner Schelling , Ulrich Penzel , Eckhard Stroefer , Matthias Eiermann , Jon S. Speier , Kai Thiele , Michael Bock
IPC分类号： C07C263/00
CPC分类号： C07C263/10 , C07C265/14
摘要： The present invention relates to a process for the production of isocyanates, preferably diisocyanates and polyisocyanates of the diphenylmethane series (MDI), by reacting an amine with phosgene in the liquid phase or in the gas phase to form the corresponding isocyanates, subsequent removal of the solvent in at least two steps to obtain at least two solvent streams, individual treatment of the at least two solvent streams, and recirculation of at least a portion of the solvent streams.
摘要翻译：本发明涉及通过使胺与气相或气相中的光气反应以形成相应的异氰酸酯来制备二异氰酸酯，优选二苯甲烷系列（MDI）的二异氰酸酯和多异氰酸酯的方法，随后除去溶剂至少两个步骤以获得至少两种溶剂流，对至少两种溶剂流进行单独处理，以及再循环至少一部分溶剂流。

18. 发明授权

US08530678B2 Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage 失效
标题翻译：三恶烷制备方法，其中在第一蒸馏阶段扣除侧水流
公开(公告)号：US08530678B2
公开(公告)日：2013-09-10
申请号：US11665840
申请日：2005-10-20
申请人： Markus Siegert , Neven Lang , Eckhard Stroefer , Achim Stammer , Thorsten Friese
发明人： Markus Siegert , Neven Lang , Eckhard Stroefer , Achim Stammer , Thorsten Friese
IPC分类号： C07D323/06
CPC分类号： C07D323/06
摘要： Processes are disclosed comprising: (a) reacting an aqueous formaldehyde solution in a reactor in the presence of a suitable catalyst to obtain a reaction product mixture comprising trioxane, formaldehyde and water; (b) distilling the reaction product mixture to form a top stream comprising crude trioxane; and (c) treating the top stream in one or more additional stages to form pure trioxane; wherein an aqueous sidestream is drawn off during the distilling of the reaction mixture.
摘要翻译：公开的方法包括：（a）在合适的催化剂存在下使甲醛水溶液在反应器中反应，得到包含三恶烷，甲醛和水的反应产物混合物; （b）蒸馏反应产物混合物以形成包含粗三恶烷的顶流; 和（c）在一个或多个附加阶段处理顶部流以形成纯三恶烷; 其中在蒸馏反应混合物期间抽出水分流。

19. 发明授权

US08492580B2 Process for preparing isocyanates 失效
标题翻译：异氰酸酯的制备方法
公开(公告)号：US08492580B2
公开(公告)日：2013-07-23
申请号：US13125895
申请日：2010-08-02
申请人： Bernhard Geissler , Eckhard Stroefer , Andreas Schmidt , Matthias Kloetzer
发明人： Bernhard Geissler , Eckhard Stroefer , Andreas Schmidt , Matthias Kloetzer
IPC分类号： C07C263/00
CPC分类号： C07C263/04 , C07C265/14
摘要： The invention relates to an improved multistage process for the continuous preparation of diisocyanates by reaction of the corresponding diamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric urethanes and thermal dissociation of the latter.
摘要翻译：本发明涉及通过相应的二胺与碳酸衍生物和醇的反应连续制备二异氰酸酯以形成低分子量单体聚氨酯和后者的热解离的改进的多步方法。

20. 发明申请

US20120004446A1 PROCESS AND APPARATUS FOR PREPARING ISOCYANATES 有权
标题翻译：制备异氰酸酯的方法和装置
公开(公告)号：US20120004446A1
公开(公告)日：2012-01-05
申请号：US13256541
申请日：2010-03-18
申请人： Torsten Mattke , Carsten Knoesche , Bernd Rumpf , Eckhard Stroefer
发明人： Torsten Mattke , Carsten Knoesche , Bernd Rumpf , Eckhard Stroefer
IPC分类号： C07C263/10 , B01J19/00
CPC分类号： C07B43/10 , B01J2219/00873 , C07C263/10 , F28D7/00 , F28D13/00 , C07C265/14 , C07C265/00
摘要： The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene in the gas phase, optionally in the presence of an inert medium, in which phosgene and amine are first evaporated and then superheated further to reaction temperature, and the superheated phosgene and amine are mixed and fed to a reactor in which the phosgene and the amine are converted to the isocyanate, wherein the residence time of the phosgene at temperatures greater than 300° C. is not more than 5 s, and/or the temperature of heat transfer surfaces in contact with phosgene is not more than 20 K above the phosgene temperature to be established. The invention further relates to an apparatus for preparing isocyanates by reacting the corresponding amines with phosgene in the gas phase.
摘要翻译：本发明涉及通过使气相中相应的胺与光气反应制备异氰酸酯的方法，任选地在惰性介质存在下，首先将光气和胺蒸发，然后进一步过热至反应温度，过热的光气和胺混合并加入到光气和胺转化为异氰酸酯的反应器中，其中光气在大于300℃的温度下的停留时间不超过5秒，和/或与光气接触的传热表面不超过要建立的光气温度20K。本发明还涉及通过气相中相应的胺与光气反应制备异氰酸酯的装置。

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